-
Contents
-
Table of Contents
-
Troubleshooting
-
Bookmarks
Quick Links
RXMLQ8T7Y1B*
RXYLQ10T7Y1B*
RXYLQ12T7Y1B*
RXYLQ14T7Y1B*
Installer and user reference guide
VRV IV system air conditioner
Related Manuals for Daikin VRV IV
Summary of Contents for Daikin VRV IV
-
Page 1
Installer and user reference guide VRV IV system air conditioner RXMLQ8T7Y1B* RXYLQ10T7Y1B* RXYLQ12T7Y1B* RXYLQ14T7Y1B*… -
Page 2: Table Of Contents
Symptom: Fan operation is possible, but cooling and heating do not work ……….43 11.2.4 Symptom: The fan speed does not correspond to the setting…………..43 Installer and user reference guide RXMLQ8 + RXYLQ10~14T7Y1B* VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 3
14 Technical data 14.1 Information requirements for Eco Design……………………48 For the installer 15 About the box 15.1 About LOOP BY DAIKIN …………………………50 15.2 Overview: About the box …………………………50 15.3 To unpack the outdoor unit……………………….51 15.4 To remove the accessories from the outdoor unit ………………….51 15.5… -
Page 4
Correcting after abnormal completion of the test run ………………..137 21.7 Operating the unit…………………………..137 22 Hand-over to the user 23 Maintenance and service 23.1 Maintenance safety precautions………………………. 139 Installer and user reference guide RXMLQ8 + RXYLQ10~14T7Y1B* VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 5
26 Technical data 26.1 Service space: Outdoor unit ……………………….149 26.2 Piping diagram: Outdoor unit ……………………….151 26.3 Wiring diagram: Outdoor unit ……………………….151 27 Glossary RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 6: About The Documentation
The original documentation is written in English. All other languages are translations. Technical engineering data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of latest technical data is available on the Daikin Business Portal (authentication required).
-
Page 7
Example: » 1–3 Figure title» means «Figure 3 in chapter 1″. Indicates a table title or a reference to it. Example: » 1–3 Table title» means «Table 3 in chapter 1». RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 8: General Safety Precautions
Improper installation or attachment of equipment or accessories could result in electrical shock, short-circuit, leaks, fire or other damage to the equipment. Only use accessories, optional equipment and spare parts made or approved by Daikin. WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation).
-
Page 9: Installation Site
Make sure refrigerant piping installation complies with applicable legislation. In Europe, EN378 is the applicable standard. NOTICE Make sure the field piping and connections are NOT subjected to stress. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 10
Only use tools exclusively for the refrigerant type used in the system, this to ensure pressure resistance and prevent foreign materials from entering into the system. ▪ Charge the liquid refrigerant as follows: RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 11: Electrical
If NOT factory installed, a main switch or other means for disconnection, having a contact separation in all poles providing full disconnection under overvoltage category III condition, MUST be installed in the fixed wiring. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 12
Install power cables at least 1 m away from televisions or radios to prevent interference. Depending on the radio waves, a distance of 1 m may not be sufficient. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 13
Running the product in reversed phase can break the compressor and other parts. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 14: Specific Installer Safety Instructions
If these instructions are NOT followed correctly it may result in property damage or personal injury, which may be serious depending on the circumstances. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 15
▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. WARNING ALWAYS use multicore cable for power supply cables. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 16
Do NOT insert fingers, rods or other objects into the air inlet or outlet. Do NOT remove the fan guard. When the fan is rotating at high speed, it will cause injury. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 17: For The User
For the user RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 18: User Safety Instructions
CAUTION ▪ Do NOT place any objects or equipment on top of the unit. ▪ Do NOT sit, climb or stand on the unit. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 19: Instructions For Safe Operation
CAUTION It is unhealthy to expose your body to the air flow for a long time. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 20
Use of wire or copper wire may cause the unit to break down or cause a fire. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 21
NEVER expose little children, plants or animals directly to the airflow. CAUTION Do NOT touch the heat exchanger fins. These fins are sharp and could result in cutting injuries. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 22: About The System
Contact your installer to receive more information and professional advice. In general following type of indoor units can be connected to a VRV IV heat pump system (not exhaustive list, depending on outdoor unit model and indoor unit model combinations): ▪…
-
Page 23: System Layout
Depending on the type of outdoor unit which is chosen, some functionality will or will not exist. It will be indicated throughout this operation manual when certain features have exclusive model rights or not. a VRV IV Heat pump outdoor unit b Refrigerant piping c VRV direct expansion (DX) indoor unit…
-
Page 24: User Interface
Detailed information on required actions to achieve certain functions can be found in the dedicated installation and operation manual of the indoor unit. Refer to the operation manual of the installed user interface. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 25: Before Operation
Heating and cooling (air to water). Dedicated functions exist depending on the type of indoor unit, refer to dedicated installation/operation manual for more information. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 26: Operation
Above operation range is only valid in case direct expansion indoor units are connected to the VRV IV system. Special operation ranges are valid in case of using Hydrobox units or AHU. They can be found in the installation/operation manual of the dedicated unit. Latest information can be found in the technical engineering data.
-
Page 27: About Cooling, Heating, Fan Only, And Automatic Operation
1 Press the operation mode selector button on the user interface several times and select the operation mode of your choice. Cooling operation Heating operation RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 28: To Operate The System (With Cool/Heat Changeover Remote Control Switch)
Do not turn off power immediately after the unit stops, but wait for at least 5 minutes. To adjust For programming temperature, fan speed and air flow direction refer to the operation manual of the user interface. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 29: Using The Dry Program
(program dry operation). 3 Press the ON/OFF button of the user interface. Result: The operation lamp lights up and the system starts operating. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 30: Adjusting The Air Flow Direction
Never touch the air outlet or the horizontal blades while the swing flap is in operation. Fingers may become caught or the unit may break down. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 31: Setting The Master User Interface
8.5.2 To designate the master user interface (VRV DX and Hydrobox) In case only VRV DX indoor units (and Hydrobox units) are connected to the VRV IV system: RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A –…
-
Page 32: About Control Systems
The unit is individually operated. NOTICE Contact your dealer in case of changing the combination or setting of group control and 2 user interface control systems. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 33: Energy Saving And Optimum Operation
The refrigerant temperature is fixed independent from the situation. It corresponds to the standard operation which is known and can be expected from/ under previous VRV systems. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 34: Available Comfort Settings
Combinations of Automatic mode together with Hydrobox applications should be considered. The effect of the energy saving function can be very small when low/high (cooling/heating) leaving water temperatures are requested. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 35: Maintenance And Service
Make sure to install cleaned air filters back in the same position. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 36: Maintenance Before A Long Stop Period
This product includes a warranty card that was filled in by the dealer at the time of installation. The completed card has to be checked by the customer and stored carefully. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 37: Recommended Maintenance And Inspection
6 times/hour. ▪ Operation of the unit is assumed to be 10 hours/day and 2,500 hours/year. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 38: Shortened Maintenance And Replacement Cycles
Damage due to taking apart or cleaning interiors of units by anyone other than our authorised dealers may not be included in the warranty. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 39: Troubleshooting
Check if the user interface display shows (time system stops. to clean the air filter). (Refer to «10 Maintenance service» [ 35] and «Maintenance» in the indoor unit manual.) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 40: Error Codes: Overview
For your reference, a list with malfunction codes is provided. You can, depending on the level of the malfunction code, reset the code by pushing the ON/OFF button. If not, ask your installer for advice. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 41
Current sensor malfunction Discharge temperature sensor malfunction (outdoor) Heat exchanger gas temperature sensor malfunction (outdoor) Suction temperature sensor malfunction (outdoor) De-icing temperature sensor malfunction (outdoor) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 42
Connection malfunction over indoor units or type mismatch Centralised address duplication Malfunction in communication centralised control device — indoor unit Auto address malfunction (inconsistency) Auto address malfunction (inconsistency) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 43: Symptoms That Are Not System Malfunctions
The fan direction does not correspond with the user interface display. The fan direction does not swing. This is because the unit is being controlled by the micro computer. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 44: Symptom: White Mist Comes Out Of A Unit (Indoor Unit)
11.2.11 Symptom: Noise of air conditioners (Outdoor unit) When the tone of operating noise changes. This noise is caused by the change of frequency. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 45: Symptom: Dust Comes Out Of The Unit
Several different indoor units are being run on the same system. When another unit is running, some refrigerant will still flow through the unit. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 46: Relocation
Relocation 12 Relocation Contact your dealer for removing and reinstalling the total unit. Moving units requires technical expertise. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 47: Disposal
MUST comply with applicable legislation. Units MUST be treated at a specialised treatment facility for reuse, recycling and recovery. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 48: Technical Data
Result: When the selection is done, the LOT 21 datasheet can be viewed as a PDF or a HTML webpage. INFORMATION Other documents (e.g. manuals, …) can also be consulted from the resulting webpage. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 49: For The Installer
For the installer RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 50: About The Box
15.6 To remove the transportation stay ……………………….15.1 About LOOP BY DAIKIN is part of Daikin’s wider commitment to reduce our environmental footprint. With we want to create a circular economy for refrigerants. One of the actions to achieve this, is the reuse of reclaimed refrigerant in VRV units produced and sold in Europe.
-
Page 51: To Unpack The Outdoor Unit
Possible risk: suffocation. 15.4 To remove the accessories from the outdoor unit Make sure that all accessories are available in the unit. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 52: Accessory Pipes: Diameters
1 Remove the 2 transportation stay mounting bolts. 2 Remove the transportation stay as shown in the figure below. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 53
About the box RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 54: About The Units And Options
Outdoor air cooled Y=Heat pump (continuous heating) X=Heat pump (no continuous heating) Y=Pair module only M=Multi module only Low ambient Refrigerant R410A Capacity class RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 55: About The Outdoor Unit
European market Minor model change indication (a) For RXYLQ, there is no restriction on use as multi module. 16.3 About the outdoor unit This installation manual concerns the VRV IV, full inverter driven, heat pump system. Model line up: Model…
-
Page 56: Combining Units And Options
16.5.2 Possible combinations of indoor units In general following type of indoor units can be connected to a VRV IV heat pump system. The list is non-exhaustive and is depending on both outdoor unit model and indoor unit model combinations.
-
Page 57: Possible Options For The Outdoor Unit
Model name BHFQ22P1007 BHFQ22P1517 Cool/heat selector In order to control the cooling or heating operation from a central location, the following option can be connected: RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 58
To enable the power saving consumption control by digital inputs you must install the demand PCB. For installation instructions, see the installation manual of the demand PCB and addendum book for optional equipment. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 59: Unit Installation
It is therefore recommended to install the equipment and electric wires in such a way that they keep a proper distance from stereo equipment, personal computers, etc. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 60
Install the outdoor unit away from direct sea winds. Example: Behind the building. If the outdoor unit is exposed to direct sea winds, install a windbreaker. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 61: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates
For instructions on how to install the snow cover, contact your dealer. NOTICE When installing the snow cover, do NOT obstruct the air flow of the unit. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 62: Securing Safety Against Refrigerant Leaks
1 m³ volume of the occupied space). Compliance to the local applicable regulations and standards for the maximum allowable concentration level is required. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 63
(D), (E) as a single room or as the smallest room. When there are no smaller room divisions: RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 64: Opening The Unit
Do NOT leave the unit unattended when the service cover is removed. 17.2.2 To open the outdoor unit DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING/SCALDING RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 65: To Open The Electrical Component Box Of The Outdoor Unit
Electrical component box cover b Front side c Power supply terminal block d Sealing material e Moisture and dirt could enter NOT allowed Allowed RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 66: Mounting The Outdoor Unit
Fasten the unit in place using four foundation bolts M12. It is best to screw in the foundation bolts until their length remains 20 mm above the foundation surface. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 67
▪ When installed in a corrosive environment, use a nut with plastic washer (a) to protect the nut tightening part from rust. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 68: Piping Installation
R410A can contribute to the greenhouse effect if it is released. Therefore pay special attention to check the tightness of the installation. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 69: Refrigerant Piping Insulation
A, B, C: Piping between outdoor unit and (first) refrigerant branch kit Choose from the following table in accordance with the outdoor unit total capacity type, connected downstream. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 70
More specifications can be found in the technical engineering data book. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 71
Pipe size for direct connection on branch selector box (BP*) must be based on the total capacity of the connected indoor units (only in case RA DX indoor units are connected). RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 72: To Select Refrigerant Branch Kits
Indoor unit capacity index 2 pipes <200 KHRQ22M29H 200≤x<290 290≤x<640 KHRQ22M64H RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 73: About The Piping Length
Assume equivalent piping length of refnet joint=0.5 m and refnet header=1 m (for calculation purposes of equivalent piping length, not for refrigerant charge calculations). RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 74: Piping Length: Vrv Dx Only
Single outdoor Branch with refnet header Example 2.1 Multi outdoor Branch with refnet joint Example 2.2 Multi outdoor Branch with refnet joint and refnet header RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 75
Between outdoor branch and outdoor unit (only in case of a multi outdoor installation) Actual piping length 10 m Example 3 ▪ r, s, t≤10 m; u≤5 m Equivalent length 13 m RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 76
3 Indoor units (1~8) Conditions: The piping length between all indoor units to the nearest branch kit is ≤40 m. Example: h, i, j … p≤40 m RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 77: Piping Length: Vrv Dx And Hydrobox
Branch with refnet joint Example 2 Branch with refnet joint and refnet header Example 3 Branch with refnet header 1~7 VRV DX indoor units 8 Hydrobox unit (HXY080/125) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 78: Piping Length: Vrv Dx And Ra Dx
18.1.8 Piping length: VRV DX and RA DX For system containing VRV DX indoor units and RA DX indoor units: System setup Header BP box 1~5 RA DX indoor units RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 79: Multiple Outdoor Units: Possible Layouts
▪ The piping between the outdoor units must be routed level or slightly upward to avoid the risk of oil retention into the piping. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 80
If the piping length between the outdoor units exceeds 2 m, create a rise of 200 mm or more in the gas line within a length of 2 m from the kit. Then ≤2 m ≤2 m RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 81: Connecting The Refrigerant Piping
Removing the pinched pipes 18.2.2 Precautions when connecting the refrigerant piping NOTICE Make sure the field piping and connections are NOT subjected to stress. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 82: Multiple Outdoor Units: Knockout Holes
Installation of refrigerant piping is possible as front connection or side connection (when taken out from the bottom) as shown in the figure below. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 83: To Connect The Refrigerant Piping To The Outdoor Unit
All local inter unit piping are field supplied except the accessory pipes. NOTICE Precautions when connecting field piping. Add brazing material as shown in the figure. ≤Ø25.4 >Ø25.4 RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 84: To Connect The Multi Connection Piping Kit
▪ Mount the refnet joint so that it branches either horizontally or vertically. ▪ Mount the refnet header so that it branches horizontally. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 85: To Protect Against Contamination
Hold the pipe end downwards when removing burrs. ▪ Cover the pipe end when inserting it through a wall, to prevent dust and/or particles entering the pipe. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 86: To Braze The Pipe End
The gas and liquid stop valves are factory closed. ▪ The figures below show the name of each part required in handling the stop valve. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 87
Inadequate torque may cause leakage of refrigerant and breakage of the stop valve cap. NOTICE Pay attention that mentioned torque range is applicable for opening Ø19.1~Ø25.4 mm stop valves only. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 88
Hexagonal Cap (valve lid) Service port wrench Ø9.5 5.4~6.6 4 mm 13.5~16.5 11.5~13.9 Ø12.7 8.1~9.9 18.0~22.0 Ø15.9 13.5~16.5 6 mm 23.0~27.0 Ø19.1 27.0~33.0 8 mm 22.5~27.5 Ø25.4 RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 89: To Remove The Spun Pipes
5 Cut off the lower part of the gas, liquid and equalising stop valve pipes along the black line. Use an appropriate tool (e.g. a pipe cutter). RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 90: Checking The Refrigerant Piping
116]). This setting will open field expansion valves to guarantee a refrigerant piping pathway and make it possible to perform the leak test and the vacuum drying. DANGER: RISK OF ELECTROCUTION RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 91: Checking Refrigerant Piping: General Guidelines
Make sure the pump oil does not flow oppositely into the system while the pump is not working. NOTICE Do NOT purge the air with refrigerants. Use a vacuum pump to evacuate the installation. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 92: Checking Refrigerant Piping: Setup
3 Break the vacuum by pressurising with nitrogen gas to a minimum gauge pressure of 0.2 MPa (2 bar). Never set the gauge pressure higher than the maximum operation pressure of the unit, i.e. 4.0 MPa (40 bar). RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 93: To Perform Vacuum Drying
Use heat resistant polyethylene foam which can withstand a temperature of 70°C for liquid piping and polyethylene foam which can withstand a temperature of 120°C for gas piping. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 94: Charging Refrigerant
If operation is performed within 12 minutes after the indoor and outdoor units are powered on, the compressor will not operate before the communication is established in a correct way between outdoor unit(s) and indoor units. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 95: About Charging Refrigerant
A, B Parameters A and B (see tables below) ▪ Parameter A: In case of a multi-outdoor-unit system, add the sum of the individual outdoor unit charge factors. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 96
— — 90~110% Total CR = Total indoor unit capacity connection ratio CR per type = Allowable capacity connection ratio per indoor unit type RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 97: To Charge Refrigerant: Flow Chart
• Charging is finished • Fill in the amount on the additional refrigerant charge label • Go to test run Continued on next page >> RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 98: To Charge Refrigerant
(open valve B). Make sure that valve A and all outdoor unit stop valves are closed. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 99
30°C DB or with ±6 kg at an outdoor temperature of 0°C DB. If you need to speed up in case of a multiple outdoor system, connect the refrigerant tanks to each outdoor unit. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 100: Step 6: To Manually Charge Refrigerant
NOTICE Make sure to open all stop valves after (pre-) charging the refrigerant. Operating with the stop valves closed will damage the compressor. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 101: To Fix The Fluorinated Greenhouse Gases Label
Use the GWP value mentioned on the refrigerant charge label. 2 Fix the label on the inside of the outdoor unit near the gas and liquid stop valves. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 102: Electrical Installation
▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 103
▪ Replace 2 of the 3 phases (L1, L2, and L3) during reverse-phase protection abnormality. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 104: Field Wiring: Overview
Firmly close the lid and arrange the electrical wires so as to prevent the lid or other parts from coming loose. The transmission wiring outside the unit should be wrapped and routed together with the field piping. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 105: Guidelines When Knocking Out Knockout Holes
RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 106: About Electrical Compliance
Selection and sizing of the wiring should be done in accordance with the applicable legislation based on the information mentioned in the table below. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 107
Accordingly, the minimum circuit ampacity of the RXYLQ18=16.1 A +22.0 A=38.1 A Multiply the above result by 1.1: (38.1 A×1.1)= 41,91 A, so the recommended fuse capacity would be 45 A. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 108: To Route And Fix The Transmission Wiring
The wiring from the indoor units must be connected to the F1/F2 (In‑Out) terminals on the PCB in the outdoor unit. Tightening torque for the transmission wiring terminal screws: RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 109: To Finish The Transmission Wiring
After installing the transmission wires inside the unit, wrap them along with the on- site refrigerant pipes using finishing tape, as shown in figure below. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 110: To Route And Fix The Power Supply
19.6 To connect the power supply NOTICE Never connect the power supply to transmission wiring terminal block. Otherwise the entire system may break down. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 111
In that case, the ring washer that is installed by default should be removed. Attach both cables to the power supply terminal as indicated below: RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 112: To Check The Insulation Resistance Of The Compressor
2 Turn ON the power and leave it on for 6 hours. Result: The compressor will heat up and evaporate any refrigerant in the compressor. 3 Measure the insulation resistance again. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 113: Configuration
20.2 Making field settings 20.2.1 About making field settings To continue the configuration of the VRV IV heat pump system, it is required to give some input to the PCB of the unit. This chapter will describe how manual input is possible by operating the push buttons/DIP switches on the PCB and reading the feedback from the 7‑segment displays.
-
Page 114
115] PC configurator For VRV IV heat pump system it is alternatively possible to make several commissioning field settings through a personal computer interface (for this, option EKPCCAB* is required). The installer can prepare the configuration (off-site) on PC and afterwards upload the configuration to the system. -
Page 115: Field Setting Components
Make sure that all outside panels, except for the service cover on the electrical component box, are closed while working. Close the lid of the electrical component box firmly before turning on the power. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 116: To Access Mode 1 Or 2
If you get confused in the middle of the process, push BS1 to return to the default situation (no indication on 7‑segment displays: blank, refer to «To access mode 1 or 2» [ 116]. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 117: To Use Mode 1
It is done by pushing BS2. Accessing the selected setting’s value is done by pushing BS3 1 time. To quit and return to the initial Press BS1. status RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 118: Mode 1: Monitoring Settings
The master unit should be used to input field settings in mode 2. [1‑0] Description No indication Undefined situation. Outdoor unit is master unit. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 119
For more information and advice about the impact of these settings, see «20.3 Energy saving and optimum operation» [ 126]. [1‑10] Shows the total number of connected indoor units. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 120: Mode 2: Field Settings
More details on how to use the Cool/Heat selector option can be found in the manual of the Cool/Heat selector. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 121
For more information and advice about the impact of these settings, see «20.3 Energy saving and optimum operation» [ 126]. [2‑9] target temperature during heating operation. [2‑9] target (°C) 0 (default) Auto RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 122
[2‑21] Description 0 (default) Deactivated. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 123
Start time automatic low noise operation (approximately) 20h00 2 (default) 22h00 24h00 [2‑27] Low noise operation stop time. This setting is used in conjunction with setting [2‑22]. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 124
The level is according to the table. [2‑32] Restriction reference 0 (default) Function not active. Follows [2‑30] setting. Follows [2‑31] setting. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 125
Heating comfort setting 1 (default) Mild Quick Powerful For more information and advice about the impact of these settings, see «20.3 Energy saving and optimum operation» [ 126]. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 126: To Connect The Pc Configurator To The Outdoor Unit
Hydrobox units. The requested leaving water temperature from the Hydrobox has priority over this energy saving control, as it is related to the required water temperature. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 127: Available Main Operation Methods
Heating operation [2‑9] to the appropriate value, matching the requirements of the pre-designed system containing a high sensible solution. [2‑8] target (°C) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 128: Available Comfort Settings
When the request from the indoor units becomes more moderate, the system will eventually go to the steady state condition which is defined by the operation method above. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 129
Cooling operation [2‑81]=0. This setting is used in conjunction with setting [2‑8]. Heating operation [2‑82]=0. This setting is used in conjunction with setting [2‑9]. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 130: Example: Automatic Mode During Cooling
Evaporating temperature Quick Powerful Mild Room temperature evolution: A Indoor unit set temperature B Operation start C Operating time D Mild E Quick F Powerful RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 131: Example: Automatic Mode During Heating
F Outside air temperature Condensing temperature Quick Powerful Mild Room temperature evolution: A Indoor unit set temperature B Operation start C Operating time D Mild RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 132
Configuration E Quick F Powerful RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 133: Commissioning
21 Commissioning NOTICE General commissioning checklist. Next to the commissioning instructions in this chapter, a general commissioning checklist is also available on the Daikin Business Portal (authentication required). The general commissioning checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during the commissioning and hand-over to the user.
-
Page 134: Checklist Before Commissioning
«Safety device requirements» [ 106]. Be sure that neither a fuse nor a protection device has been bypassed. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 135: About The Test Run
Refer to the indoor unit installation manual for more details (e.g., Hydrobox) concerning the individual test run. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 136: To Perform A Test Run
In case: ▪ Setting [2-4]=1 or 2 ▪ AND room temperature <25°C: Step Description Control before start up (pressure equalisation) Heating start up control RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 137: Correcting After Abnormal Completion Of The Test Run
For operating the indoor unit, the user interface of the indoor unit should be switched ON. Refer to the indoor unit operation manual for more details. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 138: Hand-Over To The User
Explain the user how to properly operate the system and what to do in case of problems. ▪ Show the user what to do for the maintenance of the unit. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 139: Maintenance And Service
50 V DC, discharge the capacitors in a safe manner by using a dedicated capacitor discharge pen to avoid possibility of sparking. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 140: About Service Mode Operation
3 Press BS3 to stop vacuuming mode. 23.2.2 To recover refrigerant This should be done with a refrigerant recovery unit. Follow the same procedure as for vacuuming method. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 141
Use a separate recovery system so that the unit’s compressor does NOT have to operate. NOTICE Make sure to NOT recover any oil while recovering refrigerant. Example: By using an oil separator. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 142: Troubleshooting
Stop valve closed (liquid) Open liquid stop valve. ▪ Refrigerant overcharge ▪ Check refrigerant amount +recharge unit. ▪ Stop valve closed ▪ Open stop valves. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 143
+recharge unit. ▪ Stop valve closed ▪ Open stop valves. Ambient temperature sensor Check connection on PCB or malfunction (R1T) — A1P actuator. (X18A) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 144
(S1NPH): open actuator. circuit — A1P (X32A) High pressure sensor Check connection on PCB or malfunction (S1NPH): short actuator. circuit — A1P (X32A) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 145
(system operation possible) functionality. Malfunction code: System test Execute system test run. run not yet executed (system operation not possible) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 146
(by monitor mode) or wait till initialisation is finished. Stop valve closed or wrong Open stop valves. (during system test run) Auto charging related RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 147
Refer to requirements to be is not compatible with leak able to execute leak detection detection functionality is operation. installed (e.g., RA DX indoor unit, Hydrobox, …) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 148: Disposal
MUST comply with applicable legislation. Units MUST be treated at a specialised treatment facility for reuse, recycling and recovery. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 149: Technical Data
Technical data 26 Technical data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of latest technical data is available on the Daikin Business Portal (authentication required). In this chapter 26.1…
-
Page 150
The service space dimensions in above figure are based on cooling operation at 35°C ambient temperature (standard conditions). INFORMATION Further specifications can be found in the technical engineering data. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 151: Piping Diagram: Outdoor Unit
Notes to go through before starting the unit English Translation Notes to go through before starting the Notes to go through before starting the unit unit Symbols Symbols RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 152
F401U (A2P) Fuse (T, 6.3 A, 250 V) F402U (A2P) Fuse (T, 6.3 A, 250 V) F403U (A2P) Fuse (T, 6.3 A, 250 V) F410U (A2P) Fuse (T, 63 A, 600 V) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 153
PCB connector Terminal strip X*M (A*P) Terminal strip on PCB Connector Electronic expansion valve Solenoid valve Noise filter (ferrite core) Noise filter Optional Field supply RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 154: Glossary
Optional equipment Equipment made or approved by Daikin that can be combined with the product according to the instructions in the accompanying documentation. Field supply Equipment NOT made by Daikin that can be combined with the product according to the instructions in the accompanying documentation.
-
Page 156
4P543427-1A 2020.10 Verantwortung für Energie und Umwelt…
-
Contents
-
Table of Contents
-
Troubleshooting
-
Bookmarks
Quick Links
https://daikin-p.ru/catalog/vrv-daikn/naruzhnye-vrv-bloki-daikin
Service manual
VRV IV+ Heat Pump
RYYQ8U7Y1B*
RYYQ10U7Y1B*
RYYQ12U7Y1B*
RYYQ14U7Y1B*
RYYQ16U7Y1B*
RYYQ18U7Y1B*
RYYQ20U7Y1B*
RYMQ8U7Y1B*
RYMQ10U7Y1B*
RYMQ12U7Y1B*
RYMQ14U7Y1B*
RYMQ16U7Y1B*
RYMQ18U7Y1B*
RYMQ20U7Y1B*
RXYQ8U7Y1B*
RXYQ10U7Y1B*
RXYQ12U7Y1B*
RXYQ14U7Y1B*
RXYQ16U7Y1B*
Service manual
RXYQ18U7Y1B*
English
VRV IV+ Heat Pump
RXYQ20U7Y1B*
Troubleshooting
Summary of Contents for Daikin VRV IV+
(Ocr-Read Summary of Contents of some pages of the Daikin VRV IV Document (Main Content), UPD: 19 April 2023)
-
138, 4 Third party components Service manual 138 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 4 Activate refrigerant recovery / vacuum mode by setting field setting mode 2-21 to 1 (see «6.9Field settings»on page188). To make sure that refrigerant cycle is completely connected and there are no dead-zones because of closed expansion- or solenoid valves, entering the refrigerant recovery / vacuum mode ensures that: ▪ All indoo…
-
38, Daikin VRV IV 2 Troubleshooting Service manual 38 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 Trigger Effect Reset Fan inverter PCB A4P fails reading/ writing memory (EEPROM error). Unit will stop operating. Manual reset via user interface. Power reset at outdoor unit. To solve the error code INFORMATION It is recommended to perform the checks in the listed order. 1 Perform a check of the fan inverter PCB A4P. See «3.6 Fan inverter PCB»on page92. Po…
-
116, 3 Components Service manual 116 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 5 To install the propeller fan blade assembly, see «Repair procedures»on page115. To remove the DC fan motor assembly 1 Remove the propeller fan blade assembly from the DC fan motor assembly, see «Repair procedures»on page115. 2 Disconnect the DC fan motor connector from the fan inverter PCB. 3 Unlock the ferrite bead. …
-
181, Daikin VRV IV 6 Technical data Service manual 181 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 xa aj x ag j i t v af ae ac ad h ahai ad ak al a Switchbox, for details see «6.5Switchbox overview»on page182. b Fan motor M1F c Fan motor M2F d Liquid cooling expansion valve Y3E e Compressor (M1C) discharge thermistor R21T f Compressor (M2C) discharge thermistor R22T g Oil separator h Compressor M1C + body…
-
152, 6 Technical data Service manual 152 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 RYYQ-U / Oil return operation in cooling mode c a Y2S M1C M2C R21T R22T R9T R8T R3T R6TR5T R4T M1F M2F R7T R1T d M M M e d M e d M 3 21 e Y1S Y5S Y2E Y4E Y1E Y3E Y4SY3S S1PH S1NPH S1NPL HPS b S2PH HPS SV SV SV g h h k i j Indoor units conditions: • Indoor unit 1: Operation ON, Thermo ON, Fan ON, Expansion valve: normal contro…
-
145, 6 Technical data Service manual 145 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 6 Technical data 6.1 Detailed information setting mode 6.1.1 Detailed information setting mode: Outdoor unit See the installer reference guide on business portal for more information. 6.1.2 Detailed information setting mode: Remote controller See the installer reference guide on business portal for more information. https://daik…
-
7, 1 General operation Service manual 7 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 1 General operation The VRV IV+ hp outdoor unit is a heat pump used for cooling or heating in commercial applications. Outdoor units The outdoor unit consists of: ▪ 1 or 2 inverter compressor(s) ▪ A switchbox containing necessary PCBs ▪ A liquid cooling circuit to cool down inverter switchbox ▪ An air cooled heat-exchanger ▪ 3 expansion valv…
-
171, 6 Technical data Service manual 171 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 xa ab x aa h v m c o z y ac ad a Switchbox, for details see «6.5Switchbox overview»on page182. b Fan motor c Liquid cooling expansion valve Y3E d Liquid pipe thermistor, outdoor heat exchanger R4T e Liquid pipe thermistor, sub‑cool heat exchanger R5T f Oil separator g Compressor M1C h Oil return valve Y2S i …
-
161, 6 Technical data Service manual 161 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 RYMQ-U / Heating mode and oil return in heating mode f c a Y2S M1C M2C R21T R22T R9T R8T R3T R6TR5T R4T M1F M2F R7T R1T d M M M e d M e d M 3 21 e Y1S Y2E Y1E Y3E Y4SY3S S1PH S1NPHS1NPL HPS b S2PH HPS SV SV SV f c a Y2S M1C M2C R21T R22T R9T R8T R3T R6TR5T R4T M1F M2F R7T R1T M M Y1S Y5S Y5S Y2E Y1E Y3E Y4SY3S S1PH S1NPHS1NPL HPS b S2PH HPS SV SV SV g h h k i j g h h k i j Indoor units conditions…
-
94, 3 Components Service manual 94 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 d Connector X1A, pin U e Connector X1A, pin V f Connector X1A, pin W VDC Com Ref VDC Com Ref P11 X1A, pin U O.L N11 X1A, pin V 0,45 P11 X1A, pin V O.L N11 X1A, pin W 0,45 P11 X1A, pin W O.L X1A, pin U N11 O.L X1A, pin U P11 0,45 X1A, pin V N11 O.L X1A, pin V P11 0,45 X1A, pin W N11 O.L X1A, pin W P11 0,45 P11 N11 O.L N11 X1A, pin U …
-
128, 3 Components Service manual 128 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 ab a Refrigerant pressure sensor b Refrigerant pressure sensor pipe CAUTION Overheating the pressure sensor will damage or destroy it. 4 After soldering is done, stop the nitrogen supply after the component has cooled‑down. 5 Route the refrigerant pressure sensor harness towards the appropriate PCB. 6 Connect the refrigerant pressure sensor conn…
-
90, 3 Components Service manual 90 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 To perform an electrical check of the expansion valve Prerequisite: First perform a mechanical check of the expansion valve, see «3.5.1Checking procedures»on page89. 1 Make sure that the valve coil is firmly slid onto the valve body. 2 Disconnect the electrical connector of the expansion valve motor from the appropriate PCB and…
-
172, 6 Technical data Service manual 172 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 6.4.5 Component overview: RYMQ14~16U units a gh c v m r s h p e o u j q w ac t d d f v x i t b w i q p n s u aa n l kl k j y ab gz ad m o e f ak a Switchbox, for details see «6.5Switchbox overview»on page182. b Fan motor M1F c Fan motor M2F d Liquid cooling expansion valve Y3E e Compressor (M1C) discharge thermistor R21T f Compressor (M2C) discha…
-
86, 3 Components Service manual 86 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 a a a a Faston connectors 9 Install the cover of the compressor wire terminals. a a Compressor wire terminals cover 10 Add refrigerant to the refrigerant circuit, see «4.2.2 Repair procedures»on page136. 11 Install the compressor insulation, see «3.2.2 Repair procedures&…
-
141, Daikin VRV IV 5 Maintenance Service manual 141 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 5.2.3 To clean the outdoor unit heat exchanger 1 Straighten the hair fins. 2 Clear the outdoor unit heat exchanger from dust, leaves,… using a fin-comb or compressed air/N 2. CAUTION Avoid bending or damaging the hair fins of the outdoor unit heat exchanger during the cleaning process. Is the problem solved? Action Yes No further actions required. No Return to the trouble…
-
117, 3 Components Service manual 117 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 To perform a mechanical check of the DC fan motor assembly Prerequisite: First perform a mechanical check of the propeller fan blade assembly, see «Checking procedures»on page116. 1 Manually rotate the fan motor shaft. Check that it rotates smoothly. 2 Check the friction of the DC fan motor shaft bearing. Is the DC fan mo…
-
92, 3 Components Service manual 92 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 To install the expansion valve motor with clip 1 Install the expansion valve motor on the expansion valve body. INFORMATION The expansion valve motor is equipped with a pipe retention clip. Install the pipe retention clip over the pipe to lock the expansion valve motor. b a c a Expansion valve motor b Pipe retention clip c Pipe 2 Route the e…
-
6, Daikin VRV IV Table of contents Service manual 6 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 2.4.8 Symptom: White mist comes out of a unit (Indoor unit, heat exchanger unit) ……………………………………. 73 2.4.9 Symptom: The user interface display reads «U4» or «U5» and stops, but then restarts after a few minutes. 73 2.4.10 Symptom: Noise of air conditioners (Indoor unit)…….. 73 2.4.11 Symptom: Noise of air co…
-
186, Application information Application (house, apartment, office,…): New project or reimbursement: Piping layout / Wiring layout (simple schematic): Unit / Installation information Model name: Serial number: Installation / commissioning date: Software version user interface: Software version outdoor PCB: Provide pictures of the field settings overview (viewable on the user interface). https://daikin-p.ru/catalog/vrv-daikn/naruzhnye-vrv-bloki-daikin
… -
76, 2 Troubleshooting Service manual 76 RYYQ+RYMQ+RXYQ8~20U7Y1B VRV IV+ Heat Pump ESIE18-14 – 2019.07 Symptom Possible failure Root cause Repair Disturbing operation noise and vibration Faulty Inverter PCB output Instable output voltage from inverter PCB to compressor(s) Check Power Supply, see «4.1Electrical circuit»on page130. Restore the power supply in conform with the requirements. Check inverter PCB(s) and perform a power transisto…
- Наружный блок / ВР — блок (Основные функции) (703 Kb)
- Установка сплит-систем (46 Kb)
- Процедура замены датчика термистора (95 Kb)
- Split-System Air Conditioners Sky Air Series (9470 Kb)
- Split-System Heat Pump Room Air Conditioners (3140 Kb)
- Service Manual (Split E-Series, Split F-Series, Sky Air F-Series) (4677 Kb)
- Руководство по эксплуатации Sirube12-712b 2mk(x)s40-50fv1b (10194 Kb)
- Руководство по эксплуатации Sirube12-620 2mxs52e2(3)v1b 3mxs52e2(3)v1b (6202 Kb)
- Руководство по эксплуатации Sirube07-617 rxs25d3vmb fdxs25eavmb (2531 Kb)
- Руководство по эксплуатации Sirube04-624a (10409 Kb)
- Руководство по эксплуатации Sirube04-609a rxs50-71e2(3)v1b (17110 Kb)
- Руководство по эксплуатации Siru18-729 rmks~evm (4886 Kb)
- Руководство по эксплуатации Siru18-622 rmk(x)s-e (7084 Kb)
- Руководство по эксплуатации Siru04-604 ftxg-rxg e-serii (4482 Kb)
- Service Manual Sienbe12-627 2mxs40davmb 2amx40bavmb (10665 Kb)
- Service Manual Sienbe12-626 5mxs90e7v3b 4mxs80e7v3b (4708 Kb)
- Service Manual Sien18-622 e-series (8190 Kb)
- Service Manual Sien04-604 ftxg-rxg e-serii (4763 Kb)
- Service Manual Siebe18-526 rmk(x)s-d (14338 Kb)
- Service Manual Siebe04-507-d-serii (3379 Kb)
- Service Manual Sie-86 Inverter Pair FTK(X)-J / RK(X)-J Series (12461 Kb)
- Service Manual Sie-81 mx-h-mk-h-series (11305 Kb)
- Service Manual Sie-43b ma (1985 Kb)
- Service Manual Sie-42g (3548 Kb)
- Service Manual Sie-85 rk(x) ftk(x) h-serii (4426 Kb)
- Service Manual Sie21-205 v-serii (6285 Kb)
- Service Manual Sie18-201 rmx140jvmb(jzvmb) (7396 Kb)
- Service Manual Sie18-005 jvmc(jvmt) (15816 Kb)
- Service Manual Sie12-411 mk(x)d-bvm mk(x)d-bvma mk(x)s-bvmb(8) (12892 Kb)
- Service Manual Sibe04-401 s-serii (10899 Kb)
- Service Manual Sibe061121 rxg-k2v1b fvxg-k2v1b (8073 Kb)
- Service Manual Sibe041102_A rxn25kev1b ftxn25kev1b (11757 Kb)
- Service Manual Sibe041101 rxs20-50j2v1b (10406 Kb)
- Service Manual Sibe041029 rx50-71g2v1b (16113 Kb)
- Service Manual Sibe041025 rxn25-35jev1b (8796 Kb)
- Service Manual Sibe041012 rxg-j2v1b (11019 Kb)
- Service Manual Sibe041011 rxs60f3v1b rxs71fav1b (17094 Kb)
- Service Manual Sibe041010 rx20-35jv1b (7014 Kb)
- Service Manual Sibe18-821 rmxs112,140,160e8v1b (12231 Kb)
- Service Manual Sibe12-908 2mxu40gv1b (12255 Kb)
- Service Manual Sibe12-819 3mxs68g2v1b 4mxs68f2v1b (11543 Kb)
- Service Manual Sibe12-818 4mxs80e7v3b 5mxs90e7v3b 5mks90e7v3b (19416 Kb)
- Service Manual Sibe12-817 3mxs52e3v1b 3mks50e3v1b 4mks58e3v1b (12185 Kb)
- Service Manual Sibe12-816 2mxs50g2v1b (12426 Kb)
- Service Manual Sibe12-728 5mxs90e7v3b (18859 Kb)
- Service Manual Sibe12-727 3mxs52e3v1b 3mks50e3v1b 4mks58e3v1b (11521 Kb)
- Service Manual Sibe12-713 4mxs68f2v1b (13147 Kb)
- Service Manual Sibe12-712c 2mxs50fv1b (9401 Kb)
- Service Manual Sbe12-712 2mxs40fv1b (15299 Kb)
- Service Manual Sibe12-625 4mxs68e2(3)v1b (11979 Kb)
- Service Manual Sibe12-522 mxs dvmb amx dvmb (10151 Kb)
- Service Manual Sibe07-724_B rxs25e2v1b rxs25g2v1b rxs25g2v1b9 (9298 Kb)
- Service Manual Sibe07-618_C rxs50e2(3)v1b rxs50f2v1b rxs50g2v1b (5205 Kb)
- Service Manual Sibe07-617 rk(x)s25-35d3vmb fdk(x)s eavmb (5082 Kb)
- Service Manual Sibe07-516 rxs25-35d(2)vmb fdxs25-35cvmb (4843 Kb)
- Service Manual Sibe06-708 rxs25-50f2v1b, fvxs fv1b (10562 Kb)
- Service Manual Sibe05-722 rxs25-35e2v1b flxs25-35bavmb (6261 Kb)
- Service Manual Sibe05-311 rxs25bvmb rx25bvmb flxs35bvmb-b-series (2823 Kb)
- Service Manual Sibe04-809 rxg25e3v1b ftxg25ev1bw (9533 Kb)
- Service Manual Sibe04-808_B rx(k)s-g2v1b (14859 Kb)
- Service Manual Sibe04-704 rx25e2v1b-arx35e2v1b ftxs25cavmb-atxs25davmb (6647 Kb)
- Service Manual Sibe04-624A (16424 Kb)
- Service Manual Sibe04-101 rxd-j ftxd,flx,-serii (8455 Kb)
- Service Manual Sibe01-829 ryn25-35gxv1b ry25-35gxv1 ftyn25-35gxv1b fty25-35gxv1 (4935 Kb)
- Service Manual Sibe01-503 ryn25dv3b aty20dv2 (3923 Kb)
- Service Manual Siau18-715 rmxs112 160ev1a (7815 Kb)
- Service Manual Si-71A Skyair R(Y)K&F Series (9073 Kb)
- Pocket Manual Si20-701 Service Diagnosis (3850 Kb)
- Service Manual Sirube12-713 4mxs68f2v1b (19403 Kb)
- Service Manual Sienbe12-620 2(3)mxs52e2(3)v1b (14902 Kb)
- Service Manual Si18-525B rmxs112dvm (18813 Kb)
- Service Manual Si12-714 3mxd68bvma8 4mxd80bvma (16479 Kb)
- Service Manual Si12-619A mxs evma evlt ftxs dvma evma fvma dvmt fvlt fvlt (16408 Kb)
- Service Manual ESIE05-07 ewap~mby ewad~mby ewwd~mby ewld~mby erap~mby ewtp~mby (19704 Kb)
- Service Manual Sibe18-821_C rmxs-e8v1b (12260 Kb)
- Service Manual Si12-710 2mxs50fv1b (4781 Kb)
- Service Manual Si12-308A mxd bvmc mxd bvma mxd bvmt mxs bvmb(9) (12704 Kb)
- Service Manual Si04-807 rx20-35gv1b (6946 Kb)
- Service Manual Si04-703 rxs50-90fvma (13852 Kb)
- Service Manual Si04-402A rxg cvma (7340 Kb)
- Service Manual Si04 — 306E (6861 Kb)
- Service Manual Si04-306 v-serii (7070 Kb)
- Service Manual Si04-115 rk(x)-jv1nb9 ftk(x)-j (5071 Kb)
- Service Manual ESiRU06-07 rzqs71~125b7v3b (5358 Kb)
- Service Manual ESiEN05-04 R-410A Sky-Air Indoor (8466 Kb)
- Service Manual ESiEN02-01A Sky Air R407C (8716 Kb)
- Service Manual ESIE98-06A EUWA/Y5-30HB/C(Z) (5706 Kb)
- Service Manual ESIE98-03 EUWA(*)40-120K(X) (3151 Kb)
- Service Manual ESIE07-11 EWAP-AJ DRAFT (17544 Kb)
- Service Manual ESIE07-10 EWWD-DJYNN (13918 Kb)
- Service Manual ESIE07-05 ewwq-ajynn-draft (8291 Kb)
- Service Manual ESIE07-03 EWAD-AJYNN EWAD-AJYNN/Q EWAD-AJYNN/A EWAD-AJYNN/H (9093 Kb)
- Service Manual ESiE06-07 RZQS71~125B7V3B (4783 Kb)
- Service Manual ESIE06-05 EWAQ080~260DAYN EWYQ080~250DAYN (19803 Kb)
- Service Manual ESIE05-03 RZQ71~125B8V3B RZQ100~140B7W1B (12601 Kb)
- Service Manual ESiE05-02 REQ71~125B7 (4465 Kb)
- Service Manual ESIE05-01 RR/RQ71~125B7 (10748 Kb)
- Service Manual ESIE04-01 RZQ71~125B7V3B (15514 Kb)
- Service Manual ESIE02-01 Sky Air R-407C B-series (8389 Kb)
- Service Manual ESIE03-05 Sky Air R407C RYEP~L-series (3067 Kb)
- Service Manual ESIE03-04 R(Y)P71~125L7 Sky-Air R-407C L series (7537 Kb)
- Service Manual SiENBE04-512A rxh20cvmb7 arxh20cvmb7 arxs20cvmb(9) ryn20cvmb7 (14980 Kb)
- Service Manual SiBE041134 rxs20-25k2v1b (6768 Kb)
- Service Manual SiBE04-401 rxh cvmb9 arxh cvmb9 ryn cvmb9 ftks cvmb(9)(8) atks cvmb(9) ftn cvmb9 (10830 Kb)
- Подключение шланга для увлажнения (137 Kb)
- Каталог — Центральная интеллектуальная система кондиционирования Hi-VRV (5604 Kb)
- Каталог — Кондиционеры Split,Multi,Sky Air, Packaged (7302 Kb)
- Каталог — Центральные системы кондиционирования Chiller, Fancoil, Altherma (5117 Kb)
- Руководство по монтажу Серия R410A с раздельной установкой (3326 Kb)
- INSTALLATION MANUAL Motorised ON/OFF valve kit (729 Kb)
- OPERATION MANUAL MODELS FVXG25K2V1B, FVXG35K2V1B, FVXG50K2V1B (8850 Kb)
- OPERATION MANUAL MODELS FTYN25GXV1B, FTYN35GXV1B (2495 Kb)
- OPERATION MANUAL MODELS FTXS20G2V1, FTXS25G2V1B, FTXS35G2V1, FTXS42G2V1B, FTXS50G2V1B (3901 Kb)
- OPERATION MANUAL MODELS FTXR28EV1B9, FTXR42EV1B9, FTXR50EV1B9 (6119 Kb)
- Таблица кодов неисправностей (117 Kb)
- Основа монтажа (1036 Kb)
- OPERATION MANUAL MODEL MCK75JVM-K (3108 Kb)
- Образец гарантийного талона (228 Kb)
- OPERATION MANUAL MODEL MC707VM-S, MC707VM-W (2470 Kb)
- OPERATION MANUAL MODEL MC704VM (1665 Kb)
- OPERATION MANUAL MODELS FTXN25KEV1B, FTXN35KEV1B (1914 Kb)
- OPERATION MANUAL MODELS FTXG25JV1BW, FTXG35JV1BW, CTXG50JV1BW, FTXG25JV1BS, FTXG35JV1BS, CTXG50JV1BS (8555 Kb)
- Texничecкиe дaнныe настенного блока FTXG-EV1BW_FTXG-EV1BS (624 Kb)
- OPERATION MANUAL MODELS FTX20-35GV1, FTK20-35GV1B, FTX20-35JV1B (2646 Kb)
- Краткое руководство по очистке фильтра (393 Kb)
- OPERATION MANUAL MODELS FDXS25-35EAVMB, FDKS25-35EAVMB, FDXS50-60CVM, DKS50-60CVMB (2674 Kb)
- Технические данные EEDU05-7 (3203 Kb)
- Фанкойлы (3351 Kb)
- Диагностика неисправностей при обслуживании (3029 Kb)
- OPERATION MANUAL MODEL MC70LVM (5314 Kb)
- Серийный номер на корпусе (167 Kb)
- Циркуляция хладагента (181 Kb)
- Серийный номер на корпусе кондиционера (116 Kb)
- Серийный номер на упаковке (174 Kb)
- SM_SiRUBE04-624A (10409 Kb)
- SM_SiBE04-624A (16424 Kb)
- Инсталляция RXR28-50EV1B рус (1247 Kb)
- Инсталляция FTXR28-50EV1B (2879 Kb)
- ФИЛЬТРЫ _FTXR28-42-50EV1B (393 Kb)
- Service Manual RXS25D3VMB_FDXS25EAVMB (2531 Kb)
- Service Manual RXS20-50J2V1B (10406 Kb)
- Service Manual RXS60F3V1B_RXS71FAV1B (17094 Kb)
- Service Manual B_RXS25E2V1B RXS25G2V1B RXS25G2V1B9 (9298 Kb)
- Service Manual C_RXS50E2(3)V1B RXS50F2V1B RXS50G2V1B (5205 Kb)
- Service Manual RXS25-35D(2)VMB_FDXS25-35CVMB (4843 Kb)
- Service Manual RXS25-50F2V1B,FVXS=FV1B (10562 Kb)
- Service Manual RXS25-35E2V1B_FLXS25-35BAVMB (6261 Kb)
- Service Manual RXS25BVMB_ RX25BVMB_ FLXS35BVMB B-Series (2823 Kb)
- Service Manual B_RX(K)S-G2V1B (14859 Kb)
- Service Manual RXS50-71F2V1B_FTXS50D2V1W(L)_FV1B (21266 Kb)
- Service Manual С серии (10899 Kb)
- Service Manual RXS50-90FVMA (13852 Kb)
- Service Manual В серии (7070 Kb)
- Service Manual RXS20-25 K2V1B (6768 Kb)
- Service Manual RK(X)_FTK(X)_H серии (4426 Kb)
- Service Manual RK(X)-J_FTK(X)-J (12461 Kb)
- Service Manual RX50-71G2V1B (16113 Kb)
- Service Manual RX20-35JV1B (7014 Kb)
- Service Manual RX25E2V1B ARX35E2V1B_ FTXS25CAVMB ATXS25DAVMB (6647 Kb)
- Service Manual RX20-35GV1B (6946 Kb)
- Service Manual RK(X)-JV1NB9_FTK(X)-J (5071 Kb)
- Разъемы для адаптеров производительности на платах (240 Kb)
- Адаптеры при замене плат SKY VRV (125 Kb)
- Дренажный обогрев (119 Kb)
- БУРР (684 Kb)
- Пособие ремонтника (50223 Kb)
- Двигатель инверторный (прозвонка) (12 Kb)
- Диагностика неисправностей при обслуживании (3029 Kb)
- Коды ошибок Daikin (121 Kb)
- Service Manual RZQS71~125B7V3B (5358 Kb)
- Service Manual RZQ71~140D7-D9 (36571 Kb)
- Service Manual RZQS71~125B7V3B (4783 Kb)
- Service Manual RZQS71~125B7V3B (4783 Kb)
- Service Manual RZQ71~125B8V3B_ RZQ100~140B7W1B (12601 Kb)
- Service Manual RZQ71~125B7V3B (15514 Kb)
- Service Manual RZQ71B9V3B, RZQ100~140C7V1B,RZQS71·100B7V3B, RZQS125·140C7V1B,RZQ100~140B8W1B (17217 Kb)
- Service Manual RZQ71C7V1B, RZQ100~140C7V1B,RZQS71·100C7V1B, RZQS125·140C7V1B (17051 Kb)
- Service Manual RR-RQ71-125B7 (10748 Kb)
- Service Manual REQ71~125B7 (4465 Kb)
- Циркуляция хладагента (181 Kb)
- Service Manual JVMC(JVМТ) (15816 Kb)
- ВР (703 Kb)
- Service Manual RMX140JVMB(JZVMB) (7396 Kb)
- Super-M-Plus’ 10 Замена термистора ВР (95 Kb)
- Service Manual RMXS-E8V1B (25179 Kb)
- Service Manual RMXS112DVM (22350 Kb)
- Service Manual RMXS112=160EV1A (7815 Kb)
- Service Manual RMXS112,140,160E8V1B (12231 Kb)
- Service Manual RMK(X)S-D (14338 Kb)
- Service Manual E-Series (8190 Kb)
- Service Manual RMK(X)S-E (7084 Kb)
- Service Manual RMKS~EVM (4886 Kb)
- Si33-105_tcm135-41973 (8574 Kb)
- SM_Si-63_rus (10223 Kb)
- Service manual Inverter K Series (5300 Kb)
- Service manual Basic Training Manual (9574 Kb)
- Service manual RXYQ-M (12171 Kb)
- Service manual ЗАМЕНА ИНВЕРТОРНОГО КОМПРЕССОРА_rus (117 Kb)
- Service manual REYQ8-48M (14515 Kb)
- Service manual RXYSQ-M7V3B, + ВН.БЛОКИ (4997 Kb)
- Service manual Учебное пособие (3712 Kb)
- Поиск кода неисправности на наружном блоке (504 Kb)
- Сброс ошибки Е3 (155 Kb)
- IM__REMQ8-16P8Y1B русс. (2184 Kb)
- IM_RXYQ8-18P7W1BR1_rus (1707 Kb)
- IM_RXYSQ~PA7V1B_rus (2155 Kb)
- IM_RXYSQ4P8V1B (1772 Kb)
- Si30-701 (1691 Kb)
- SiBE37-701_B_REYQ8-48PY1B (18435 Kb)
- SiBE37-704_A_REYQ8-48P8Y1B (19215 Kb)
- SiRUBE37-704_REYQ8-48PY1B (8576 Kb)
- Service manual RXYQ5-54PAY1, PAYL, PTL (13367 Kb)
- Service manual RXYSQ4·5·6PA7Y1B, PA7V1B (9946 Kb)
- Service manual RXYSQ4-5-6PA7Y1B, PA7V1B (3718 Kb)
- Service manual RX(Y)MQ4·5·6PVE (5345 Kb)
-
Page 1
Installer and user reference guide VRV IV system air conditioner RXMLQ8T7Y1B* RXYLQ10T7Y1B* RXYLQ12T7Y1B* RXYLQ14T7Y1B*… -
Page 2: Table Of Contents
Symptom: Fan operation is possible, but cooling and heating do not work ……….43 11.2.4 Symptom: The fan speed does not correspond to the setting…………..43 Installer and user reference guide RXMLQ8 + RXYLQ10~14T7Y1B* VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 3
14 Technical data 14.1 Information requirements for Eco Design……………………48 For the installer 15 About the box 15.1 About LOOP BY DAIKIN …………………………50 15.2 Overview: About the box …………………………50 15.3 To unpack the outdoor unit……………………….51 15.4 To remove the accessories from the outdoor unit ………………….51 15.5… -
Page 4
Correcting after abnormal completion of the test run ………………..137 21.7 Operating the unit…………………………..137 22 Hand-over to the user 23 Maintenance and service 23.1 Maintenance safety precautions………………………. 139 Installer and user reference guide RXMLQ8 + RXYLQ10~14T7Y1B* VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 5
26 Technical data 26.1 Service space: Outdoor unit ……………………….149 26.2 Piping diagram: Outdoor unit ……………………….151 26.3 Wiring diagram: Outdoor unit ……………………….151 27 Glossary RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 6: About The Documentation
The original documentation is written in English. All other languages are translations. Technical engineering data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of latest technical data is available on the Daikin Business Portal (authentication required).
-
Page 7
Example: » 1–3 Figure title» means «Figure 3 in chapter 1″. Indicates a table title or a reference to it. Example: » 1–3 Table title» means «Table 3 in chapter 1». RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 8: General Safety Precautions
Improper installation or attachment of equipment or accessories could result in electrical shock, short-circuit, leaks, fire or other damage to the equipment. Only use accessories, optional equipment and spare parts made or approved by Daikin. WARNING Make sure installation, testing and applied materials comply with applicable legislation (on top of the instructions described in the Daikin documentation).
-
Page 9: Installation Site
Make sure refrigerant piping installation complies with applicable legislation. In Europe, EN378 is the applicable standard. NOTICE Make sure the field piping and connections are NOT subjected to stress. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 10
Only use tools exclusively for the refrigerant type used in the system, this to ensure pressure resistance and prevent foreign materials from entering into the system. ▪ Charge the liquid refrigerant as follows: RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 11: Electrical
If NOT factory installed, a main switch or other means for disconnection, having a contact separation in all poles providing full disconnection under overvoltage category III condition, MUST be installed in the fixed wiring. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 12
Install power cables at least 1 m away from televisions or radios to prevent interference. Depending on the radio waves, a distance of 1 m may not be sufficient. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 13
Running the product in reversed phase can break the compressor and other parts. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 14: Specific Installer Safety Instructions
If these instructions are NOT followed correctly it may result in property damage or personal injury, which may be serious depending on the circumstances. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 15
▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. WARNING ALWAYS use multicore cable for power supply cables. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 16
Do NOT insert fingers, rods or other objects into the air inlet or outlet. Do NOT remove the fan guard. When the fan is rotating at high speed, it will cause injury. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 17: For The User
For the user RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 18: User Safety Instructions
CAUTION ▪ Do NOT place any objects or equipment on top of the unit. ▪ Do NOT sit, climb or stand on the unit. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 19: Instructions For Safe Operation
CAUTION It is unhealthy to expose your body to the air flow for a long time. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 20
Use of wire or copper wire may cause the unit to break down or cause a fire. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 21
NEVER expose little children, plants or animals directly to the airflow. CAUTION Do NOT touch the heat exchanger fins. These fins are sharp and could result in cutting injuries. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 22: About The System
Contact your installer to receive more information and professional advice. In general following type of indoor units can be connected to a VRV IV heat pump system (not exhaustive list, depending on outdoor unit model and indoor unit model combinations): ▪…
-
Page 23: System Layout
Depending on the type of outdoor unit which is chosen, some functionality will or will not exist. It will be indicated throughout this operation manual when certain features have exclusive model rights or not. a VRV IV Heat pump outdoor unit b Refrigerant piping c VRV direct expansion (DX) indoor unit…
-
Page 24: User Interface
Detailed information on required actions to achieve certain functions can be found in the dedicated installation and operation manual of the indoor unit. Refer to the operation manual of the installed user interface. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 25: Before Operation
Heating and cooling (air to water). Dedicated functions exist depending on the type of indoor unit, refer to dedicated installation/operation manual for more information. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 26: Operation
Above operation range is only valid in case direct expansion indoor units are connected to the VRV IV system. Special operation ranges are valid in case of using Hydrobox units or AHU. They can be found in the installation/operation manual of the dedicated unit. Latest information can be found in the technical engineering data.
-
Page 27: About Cooling, Heating, Fan Only, And Automatic Operation
1 Press the operation mode selector button on the user interface several times and select the operation mode of your choice. Cooling operation Heating operation RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 28: To Operate The System (With Cool/Heat Changeover Remote Control Switch)
Do not turn off power immediately after the unit stops, but wait for at least 5 minutes. To adjust For programming temperature, fan speed and air flow direction refer to the operation manual of the user interface. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 29: Using The Dry Program
(program dry operation). 3 Press the ON/OFF button of the user interface. Result: The operation lamp lights up and the system starts operating. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 30: Adjusting The Air Flow Direction
Never touch the air outlet or the horizontal blades while the swing flap is in operation. Fingers may become caught or the unit may break down. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 31: Setting The Master User Interface
8.5.2 To designate the master user interface (VRV DX and Hydrobox) In case only VRV DX indoor units (and Hydrobox units) are connected to the VRV IV system: RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A –…
-
Page 32: About Control Systems
The unit is individually operated. NOTICE Contact your dealer in case of changing the combination or setting of group control and 2 user interface control systems. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 33: Energy Saving And Optimum Operation
The refrigerant temperature is fixed independent from the situation. It corresponds to the standard operation which is known and can be expected from/ under previous VRV systems. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 34: Available Comfort Settings
Combinations of Automatic mode together with Hydrobox applications should be considered. The effect of the energy saving function can be very small when low/high (cooling/heating) leaving water temperatures are requested. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 35: Maintenance And Service
Make sure to install cleaned air filters back in the same position. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 36: Maintenance Before A Long Stop Period
This product includes a warranty card that was filled in by the dealer at the time of installation. The completed card has to be checked by the customer and stored carefully. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 37: Recommended Maintenance And Inspection
6 times/hour. ▪ Operation of the unit is assumed to be 10 hours/day and 2,500 hours/year. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 38: Shortened Maintenance And Replacement Cycles
Damage due to taking apart or cleaning interiors of units by anyone other than our authorised dealers may not be included in the warranty. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 39: Troubleshooting
Check if the user interface display shows (time system stops. to clean the air filter). (Refer to «10 Maintenance service» [ 35] and «Maintenance» in the indoor unit manual.) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 40: Error Codes: Overview
For your reference, a list with malfunction codes is provided. You can, depending on the level of the malfunction code, reset the code by pushing the ON/OFF button. If not, ask your installer for advice. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 41
Current sensor malfunction Discharge temperature sensor malfunction (outdoor) Heat exchanger gas temperature sensor malfunction (outdoor) Suction temperature sensor malfunction (outdoor) De-icing temperature sensor malfunction (outdoor) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 42
Connection malfunction over indoor units or type mismatch Centralised address duplication Malfunction in communication centralised control device — indoor unit Auto address malfunction (inconsistency) Auto address malfunction (inconsistency) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 43: Symptoms That Are Not System Malfunctions
The fan direction does not correspond with the user interface display. The fan direction does not swing. This is because the unit is being controlled by the micro computer. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 44: Symptom: White Mist Comes Out Of A Unit (Indoor Unit)
11.2.11 Symptom: Noise of air conditioners (Outdoor unit) When the tone of operating noise changes. This noise is caused by the change of frequency. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 45: Symptom: Dust Comes Out Of The Unit
Several different indoor units are being run on the same system. When another unit is running, some refrigerant will still flow through the unit. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 46: Relocation
Relocation 12 Relocation Contact your dealer for removing and reinstalling the total unit. Moving units requires technical expertise. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 47: Disposal
MUST comply with applicable legislation. Units MUST be treated at a specialised treatment facility for reuse, recycling and recovery. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 48: Technical Data
Result: When the selection is done, the LOT 21 datasheet can be viewed as a PDF or a HTML webpage. INFORMATION Other documents (e.g. manuals, …) can also be consulted from the resulting webpage. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 49: For The Installer
For the installer RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 50: About The Box
15.6 To remove the transportation stay ……………………….15.1 About LOOP BY DAIKIN is part of Daikin’s wider commitment to reduce our environmental footprint. With we want to create a circular economy for refrigerants. One of the actions to achieve this, is the reuse of reclaimed refrigerant in VRV units produced and sold in Europe.
-
Page 51: To Unpack The Outdoor Unit
Possible risk: suffocation. 15.4 To remove the accessories from the outdoor unit Make sure that all accessories are available in the unit. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 52: Accessory Pipes: Diameters
1 Remove the 2 transportation stay mounting bolts. 2 Remove the transportation stay as shown in the figure below. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 53
About the box RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 54: About The Units And Options
Outdoor air cooled Y=Heat pump (continuous heating) X=Heat pump (no continuous heating) Y=Pair module only M=Multi module only Low ambient Refrigerant R410A Capacity class RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 55: About The Outdoor Unit
European market Minor model change indication (a) For RXYLQ, there is no restriction on use as multi module. 16.3 About the outdoor unit This installation manual concerns the VRV IV, full inverter driven, heat pump system. Model line up: Model…
-
Page 56: Combining Units And Options
16.5.2 Possible combinations of indoor units In general following type of indoor units can be connected to a VRV IV heat pump system. The list is non-exhaustive and is depending on both outdoor unit model and indoor unit model combinations.
-
Page 57: Possible Options For The Outdoor Unit
Model name BHFQ22P1007 BHFQ22P1517 Cool/heat selector In order to control the cooling or heating operation from a central location, the following option can be connected: RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 58
To enable the power saving consumption control by digital inputs you must install the demand PCB. For installation instructions, see the installation manual of the demand PCB and addendum book for optional equipment. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 59: Unit Installation
It is therefore recommended to install the equipment and electric wires in such a way that they keep a proper distance from stereo equipment, personal computers, etc. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 60
Install the outdoor unit away from direct sea winds. Example: Behind the building. If the outdoor unit is exposed to direct sea winds, install a windbreaker. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 61: Additional Installation Site Requirements Of The Outdoor Unit In Cold Climates
For instructions on how to install the snow cover, contact your dealer. NOTICE When installing the snow cover, do NOT obstruct the air flow of the unit. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 62: Securing Safety Against Refrigerant Leaks
1 m³ volume of the occupied space). Compliance to the local applicable regulations and standards for the maximum allowable concentration level is required. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 63
(D), (E) as a single room or as the smallest room. When there are no smaller room divisions: RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 64: Opening The Unit
Do NOT leave the unit unattended when the service cover is removed. 17.2.2 To open the outdoor unit DANGER: RISK OF ELECTROCUTION DANGER: RISK OF BURNING/SCALDING RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 65: To Open The Electrical Component Box Of The Outdoor Unit
Electrical component box cover b Front side c Power supply terminal block d Sealing material e Moisture and dirt could enter NOT allowed Allowed RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 66: Mounting The Outdoor Unit
Fasten the unit in place using four foundation bolts M12. It is best to screw in the foundation bolts until their length remains 20 mm above the foundation surface. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 67
▪ When installed in a corrosive environment, use a nut with plastic washer (a) to protect the nut tightening part from rust. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 68: Piping Installation
R410A can contribute to the greenhouse effect if it is released. Therefore pay special attention to check the tightness of the installation. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 69: Refrigerant Piping Insulation
A, B, C: Piping between outdoor unit and (first) refrigerant branch kit Choose from the following table in accordance with the outdoor unit total capacity type, connected downstream. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 70
More specifications can be found in the technical engineering data book. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 71
Pipe size for direct connection on branch selector box (BP*) must be based on the total capacity of the connected indoor units (only in case RA DX indoor units are connected). RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 72: To Select Refrigerant Branch Kits
Indoor unit capacity index 2 pipes <200 KHRQ22M29H 200≤x<290 290≤x<640 KHRQ22M64H RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 73: About The Piping Length
Assume equivalent piping length of refnet joint=0.5 m and refnet header=1 m (for calculation purposes of equivalent piping length, not for refrigerant charge calculations). RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 74: Piping Length: Vrv Dx Only
Single outdoor Branch with refnet header Example 2.1 Multi outdoor Branch with refnet joint Example 2.2 Multi outdoor Branch with refnet joint and refnet header RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 75
Between outdoor branch and outdoor unit (only in case of a multi outdoor installation) Actual piping length 10 m Example 3 ▪ r, s, t≤10 m; u≤5 m Equivalent length 13 m RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 76
3 Indoor units (1~8) Conditions: The piping length between all indoor units to the nearest branch kit is ≤40 m. Example: h, i, j … p≤40 m RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 77: Piping Length: Vrv Dx And Hydrobox
Branch with refnet joint Example 2 Branch with refnet joint and refnet header Example 3 Branch with refnet header 1~7 VRV DX indoor units 8 Hydrobox unit (HXY080/125) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 78: Piping Length: Vrv Dx And Ra Dx
18.1.8 Piping length: VRV DX and RA DX For system containing VRV DX indoor units and RA DX indoor units: System setup Header BP box 1~5 RA DX indoor units RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 79: Multiple Outdoor Units: Possible Layouts
▪ The piping between the outdoor units must be routed level or slightly upward to avoid the risk of oil retention into the piping. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 80
If the piping length between the outdoor units exceeds 2 m, create a rise of 200 mm or more in the gas line within a length of 2 m from the kit. Then ≤2 m ≤2 m RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 81: Connecting The Refrigerant Piping
Removing the pinched pipes 18.2.2 Precautions when connecting the refrigerant piping NOTICE Make sure the field piping and connections are NOT subjected to stress. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 82: Multiple Outdoor Units: Knockout Holes
Installation of refrigerant piping is possible as front connection or side connection (when taken out from the bottom) as shown in the figure below. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 83: To Connect The Refrigerant Piping To The Outdoor Unit
All local inter unit piping are field supplied except the accessory pipes. NOTICE Precautions when connecting field piping. Add brazing material as shown in the figure. ≤Ø25.4 >Ø25.4 RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 84: To Connect The Multi Connection Piping Kit
▪ Mount the refnet joint so that it branches either horizontally or vertically. ▪ Mount the refnet header so that it branches horizontally. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 85: To Protect Against Contamination
Hold the pipe end downwards when removing burrs. ▪ Cover the pipe end when inserting it through a wall, to prevent dust and/or particles entering the pipe. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 86: To Braze The Pipe End
The gas and liquid stop valves are factory closed. ▪ The figures below show the name of each part required in handling the stop valve. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 87
Inadequate torque may cause leakage of refrigerant and breakage of the stop valve cap. NOTICE Pay attention that mentioned torque range is applicable for opening Ø19.1~Ø25.4 mm stop valves only. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 88
Hexagonal Cap (valve lid) Service port wrench Ø9.5 5.4~6.6 4 mm 13.5~16.5 11.5~13.9 Ø12.7 8.1~9.9 18.0~22.0 Ø15.9 13.5~16.5 6 mm 23.0~27.0 Ø19.1 27.0~33.0 8 mm 22.5~27.5 Ø25.4 RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 89: To Remove The Spun Pipes
5 Cut off the lower part of the gas, liquid and equalising stop valve pipes along the black line. Use an appropriate tool (e.g. a pipe cutter). RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 90: Checking The Refrigerant Piping
116]). This setting will open field expansion valves to guarantee a refrigerant piping pathway and make it possible to perform the leak test and the vacuum drying. DANGER: RISK OF ELECTROCUTION RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 91: Checking Refrigerant Piping: General Guidelines
Make sure the pump oil does not flow oppositely into the system while the pump is not working. NOTICE Do NOT purge the air with refrigerants. Use a vacuum pump to evacuate the installation. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 92: Checking Refrigerant Piping: Setup
3 Break the vacuum by pressurising with nitrogen gas to a minimum gauge pressure of 0.2 MPa (2 bar). Never set the gauge pressure higher than the maximum operation pressure of the unit, i.e. 4.0 MPa (40 bar). RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 93: To Perform Vacuum Drying
Use heat resistant polyethylene foam which can withstand a temperature of 70°C for liquid piping and polyethylene foam which can withstand a temperature of 120°C for gas piping. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 94: Charging Refrigerant
If operation is performed within 12 minutes after the indoor and outdoor units are powered on, the compressor will not operate before the communication is established in a correct way between outdoor unit(s) and indoor units. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 95: About Charging Refrigerant
A, B Parameters A and B (see tables below) ▪ Parameter A: In case of a multi-outdoor-unit system, add the sum of the individual outdoor unit charge factors. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 96
— — 90~110% Total CR = Total indoor unit capacity connection ratio CR per type = Allowable capacity connection ratio per indoor unit type RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 97: To Charge Refrigerant: Flow Chart
• Charging is finished • Fill in the amount on the additional refrigerant charge label • Go to test run Continued on next page >> RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 98: To Charge Refrigerant
(open valve B). Make sure that valve A and all outdoor unit stop valves are closed. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 99
30°C DB or with ±6 kg at an outdoor temperature of 0°C DB. If you need to speed up in case of a multiple outdoor system, connect the refrigerant tanks to each outdoor unit. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 100: Step 6: To Manually Charge Refrigerant
NOTICE Make sure to open all stop valves after (pre-) charging the refrigerant. Operating with the stop valves closed will damage the compressor. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 101: To Fix The Fluorinated Greenhouse Gases Label
Use the GWP value mentioned on the refrigerant charge label. 2 Fix the label on the inside of the outdoor unit near the gas and liquid stop valves. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 102: Electrical Installation
▪ Make electrical connections to the fixed wiring. ▪ All components procured on-site and all electrical construction MUST comply with the applicable legislation. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 103
▪ Replace 2 of the 3 phases (L1, L2, and L3) during reverse-phase protection abnormality. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 104: Field Wiring: Overview
Firmly close the lid and arrange the electrical wires so as to prevent the lid or other parts from coming loose. The transmission wiring outside the unit should be wrapped and routed together with the field piping. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 105: Guidelines When Knocking Out Knockout Holes
RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 106: About Electrical Compliance
Selection and sizing of the wiring should be done in accordance with the applicable legislation based on the information mentioned in the table below. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 107
Accordingly, the minimum circuit ampacity of the RXYLQ18=16.1 A +22.0 A=38.1 A Multiply the above result by 1.1: (38.1 A×1.1)= 41,91 A, so the recommended fuse capacity would be 45 A. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 108: To Route And Fix The Transmission Wiring
The wiring from the indoor units must be connected to the F1/F2 (In‑Out) terminals on the PCB in the outdoor unit. Tightening torque for the transmission wiring terminal screws: RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 109: To Finish The Transmission Wiring
After installing the transmission wires inside the unit, wrap them along with the on- site refrigerant pipes using finishing tape, as shown in figure below. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 110: To Route And Fix The Power Supply
19.6 To connect the power supply NOTICE Never connect the power supply to transmission wiring terminal block. Otherwise the entire system may break down. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 111
In that case, the ring washer that is installed by default should be removed. Attach both cables to the power supply terminal as indicated below: RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 112: To Check The Insulation Resistance Of The Compressor
2 Turn ON the power and leave it on for 6 hours. Result: The compressor will heat up and evaporate any refrigerant in the compressor. 3 Measure the insulation resistance again. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 113: Configuration
20.2 Making field settings 20.2.1 About making field settings To continue the configuration of the VRV IV heat pump system, it is required to give some input to the PCB of the unit. This chapter will describe how manual input is possible by operating the push buttons/DIP switches on the PCB and reading the feedback from the 7‑segment displays.
-
Page 114
115] PC configurator For VRV IV heat pump system it is alternatively possible to make several commissioning field settings through a personal computer interface (for this, option EKPCCAB* is required). The installer can prepare the configuration (off-site) on PC and afterwards upload the configuration to the system. -
Page 115: Field Setting Components
Make sure that all outside panels, except for the service cover on the electrical component box, are closed while working. Close the lid of the electrical component box firmly before turning on the power. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 116: To Access Mode 1 Or 2
If you get confused in the middle of the process, push BS1 to return to the default situation (no indication on 7‑segment displays: blank, refer to «To access mode 1 or 2» [ 116]. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 117: To Use Mode 1
It is done by pushing BS2. Accessing the selected setting’s value is done by pushing BS3 1 time. To quit and return to the initial Press BS1. status RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 118: Mode 1: Monitoring Settings
The master unit should be used to input field settings in mode 2. [1‑0] Description No indication Undefined situation. Outdoor unit is master unit. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 119
For more information and advice about the impact of these settings, see «20.3 Energy saving and optimum operation» [ 126]. [1‑10] Shows the total number of connected indoor units. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 120: Mode 2: Field Settings
More details on how to use the Cool/Heat selector option can be found in the manual of the Cool/Heat selector. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 121
For more information and advice about the impact of these settings, see «20.3 Energy saving and optimum operation» [ 126]. [2‑9] target temperature during heating operation. [2‑9] target (°C) 0 (default) Auto RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 122
[2‑21] Description 0 (default) Deactivated. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 123
Start time automatic low noise operation (approximately) 20h00 2 (default) 22h00 24h00 [2‑27] Low noise operation stop time. This setting is used in conjunction with setting [2‑22]. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 124
The level is according to the table. [2‑32] Restriction reference 0 (default) Function not active. Follows [2‑30] setting. Follows [2‑31] setting. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 125
Heating comfort setting 1 (default) Mild Quick Powerful For more information and advice about the impact of these settings, see «20.3 Energy saving and optimum operation» [ 126]. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 126: To Connect The Pc Configurator To The Outdoor Unit
Hydrobox units. The requested leaving water temperature from the Hydrobox has priority over this energy saving control, as it is related to the required water temperature. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 127: Available Main Operation Methods
Heating operation [2‑9] to the appropriate value, matching the requirements of the pre-designed system containing a high sensible solution. [2‑8] target (°C) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 128: Available Comfort Settings
When the request from the indoor units becomes more moderate, the system will eventually go to the steady state condition which is defined by the operation method above. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 129
Cooling operation [2‑81]=0. This setting is used in conjunction with setting [2‑8]. Heating operation [2‑82]=0. This setting is used in conjunction with setting [2‑9]. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 130: Example: Automatic Mode During Cooling
Evaporating temperature Quick Powerful Mild Room temperature evolution: A Indoor unit set temperature B Operation start C Operating time D Mild E Quick F Powerful RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 131: Example: Automatic Mode During Heating
F Outside air temperature Condensing temperature Quick Powerful Mild Room temperature evolution: A Indoor unit set temperature B Operation start C Operating time D Mild RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 132
Configuration E Quick F Powerful RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 133: Commissioning
21 Commissioning NOTICE General commissioning checklist. Next to the commissioning instructions in this chapter, a general commissioning checklist is also available on the Daikin Business Portal (authentication required). The general commissioning checklist is complementary to the instructions in this chapter and can be used as a guideline and reporting template during the commissioning and hand-over to the user.
-
Page 134: Checklist Before Commissioning
«Safety device requirements» [ 106]. Be sure that neither a fuse nor a protection device has been bypassed. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 135: About The Test Run
Refer to the indoor unit installation manual for more details (e.g., Hydrobox) concerning the individual test run. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 136: To Perform A Test Run
In case: ▪ Setting [2-4]=1 or 2 ▪ AND room temperature <25°C: Step Description Control before start up (pressure equalisation) Heating start up control RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 137: Correcting After Abnormal Completion Of The Test Run
For operating the indoor unit, the user interface of the indoor unit should be switched ON. Refer to the indoor unit operation manual for more details. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 138: Hand-Over To The User
Explain the user how to properly operate the system and what to do in case of problems. ▪ Show the user what to do for the maintenance of the unit. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 139: Maintenance And Service
50 V DC, discharge the capacitors in a safe manner by using a dedicated capacitor discharge pen to avoid possibility of sparking. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 140: About Service Mode Operation
3 Press BS3 to stop vacuuming mode. 23.2.2 To recover refrigerant This should be done with a refrigerant recovery unit. Follow the same procedure as for vacuuming method. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 141
Use a separate recovery system so that the unit’s compressor does NOT have to operate. NOTICE Make sure to NOT recover any oil while recovering refrigerant. Example: By using an oil separator. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 142: Troubleshooting
Stop valve closed (liquid) Open liquid stop valve. ▪ Refrigerant overcharge ▪ Check refrigerant amount +recharge unit. ▪ Stop valve closed ▪ Open stop valves. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 143
+recharge unit. ▪ Stop valve closed ▪ Open stop valves. Ambient temperature sensor Check connection on PCB or malfunction (R1T) — A1P actuator. (X18A) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 144
(S1NPH): open actuator. circuit — A1P (X32A) High pressure sensor Check connection on PCB or malfunction (S1NPH): short actuator. circuit — A1P (X32A) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 145
(system operation possible) functionality. Malfunction code: System test Execute system test run. run not yet executed (system operation not possible) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 146
(by monitor mode) or wait till initialisation is finished. Stop valve closed or wrong Open stop valves. (during system test run) Auto charging related RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 147
Refer to requirements to be is not compatible with leak able to execute leak detection detection functionality is operation. installed (e.g., RA DX indoor unit, Hydrobox, …) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 148: Disposal
MUST comply with applicable legislation. Units MUST be treated at a specialised treatment facility for reuse, recycling and recovery. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 149: Technical Data
Technical data 26 Technical data ▪ A subset of the latest technical data is available on the regional Daikin website (publicly accessible). ▪ The full set of latest technical data is available on the Daikin Business Portal (authentication required). In this chapter 26.1…
-
Page 150
The service space dimensions in above figure are based on cooling operation at 35°C ambient temperature (standard conditions). INFORMATION Further specifications can be found in the technical engineering data. RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 151: Piping Diagram: Outdoor Unit
Notes to go through before starting the unit English Translation Notes to go through before starting the Notes to go through before starting the unit unit Symbols Symbols RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10…
-
Page 152
F401U (A2P) Fuse (T, 6.3 A, 250 V) F402U (A2P) Fuse (T, 6.3 A, 250 V) F403U (A2P) Fuse (T, 6.3 A, 250 V) F410U (A2P) Fuse (T, 63 A, 600 V) RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 153
PCB connector Terminal strip X*M (A*P) Terminal strip on PCB Connector Electronic expansion valve Solenoid valve Noise filter (ferrite core) Noise filter Optional Field supply RXMLQ8 + RXYLQ10~14T7Y1B* Installer and user reference guide VRV IV system air conditioner 4P543427-1A – 2020.10… -
Page 154: Glossary
Optional equipment Equipment made or approved by Daikin that can be combined with the product according to the instructions in the accompanying documentation. Field supply Equipment NOT made by Daikin that can be combined with the product according to the instructions in the accompanying documentation.
-
Page 156
4P543427-1A 2020.10 Verantwortung für Energie und Umwelt…